Home / 341,867.37-512,801.43-89,147.64

Finding the Fourth Proportional to 341,867.37, 512,801.43 and 89,147.64

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Solution

The fourth proportional to 341,867.37, 512,801.43 and 89,147.64 is: 133,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,867.37 : 512,801.43 = 89,147.64 : x
  2. Step 2: Convert to fraction form
    341,867.37/512,801.43 = 89,147.64/x
  3. Step 3: Cross multiply
    341,867.37x = 512,801.43 × 89,147.64
  4. Step 4: Simplify right side
    341,867.37x = 45,715,037,273.13
  5. Step 5: Solve for x
    x = 45,715,037,273.13/341,867.37
  6. Step 6: Final answer
    x = 133,721.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.